html,
body {
  height: 100%;
  background-color: #fff;
}
ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.lt_container {
  max-width: 640px;
  min-width: 320px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0 auto;
  padding-top: 45px;
  padding-bottom: 55px;
  position: relative;
}
.lt_header {
  height: 45px;
  width: 100%;
  background-color: #069;
  padding-left: 45px;
  padding-right: 45px;
  position: absolute;
  top: 0;
}
.lt_header .icon_left,
.lt_header .icon_right {
  text-align: center;
  position: absolute;
  top: 0;
}
.lt_header .icon_left a,
.lt_header .icon_right a {
  display: block;
  width: 45px;
  height: 45px;
  line-height: 45px;
  text-align: center;
  color: #fff;
}
.lt_header .icon_left {
  left: 0;
}
.lt_header .icon_right {
  right: 0;
}
.lt_header h4 {
  color: #fff;
  margin: 0;
  text-align: center;
  line-height: 45px;
  font-weight: 400;
  font-size: 20px;
}
.lt_footer {
  height: 55px;
  width: 100%;
  background-color: #069;
  position: absolute;
  bottom: 0;
}
.lt_footer li {
  float: left;
  width: 25%;
  text-align: center;
  padding-top: 10px;
}
.lt_footer li.now a {
  color: orange;
}
.lt_footer li.now p {
  color: orange;
}
.lt_footer li a {
  color: #fff;
  display: block;
}
.lt_footer li p {
  color: #fff;
}
.lt_main {
  width: 100%;
  height: 100%;
  position: relative;
}
.search_box {
  padding: 10px;
  position: relative;
}
.search_box input {
  height: 34px;
  line-height: 34px;
  font-size: 12px;
  border: 1px solid #007aff;
}
.search_box button {
  position: absolute;
  top: 10px;
  right: 10px;
  border-radius: 0 5px 5px 0;
}
.lt_product {
  padding-top: 10px;
}
.lt_product .item {
  width: 45%;
  margin-left: 3%;
  text-align: center;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}
.lt_product .item a {
  display: block;
  width: 100%;
  height: 100%;
  padding: 10px;
}
.lt_product .item a img {
  width: 100%;
  display: block;
  margin: 0 auto;
}
.lt_product .item a .price .oldprice {
  text-decoration: line-through;
}
.lt_product .item a .price .newprice {
  color: red;
  font-size: 20px;
}
